EP2S180 Datasheet, PDF (48/58 Pages) Altera Corporation – DSP Development Board

Expansion Interfaces
Expansion
Interfaces
Audio CODEC (U5)
The board contains three stereo jack connectors, which serve as one stereo
input, one amplified stereo output, and one non-amplified stereo output.
The stereo jacks are driven by a Stereo Audio CODEC running at
8-96 KHz. Table 2–33 shows the pin-outs for the CODEC.
Table 2–33. Audio CODEC (U5) Pin-Outs
Signal
audio_BCLK
audio_CS_n
audio_SDIN
audio_SCLK
audio_MODE
audio_DOUT
audio_DIN
audio_LRCIN
audio_LRCOUT
audio_CLK
Stratix II Pin
AG4
AH1
AH2
AH3
AH4
AJ1
AJ2
AG2
AG3
AL18
Table 2–34 describes the device used to implement the CODEC.
Table 2–34. Audio CODEC Device Reference
Item
Board reference
Part number
Device description
Voltage
Manufacturer
Manufacturer web site
Description
U5
TLV320AIC23PW
Stereo Audio CODEC, 8-96 KHz
3.3 V
Texas Instruments
www.ti.com
The Stratix II EP2S180 DSP development board includes the following
interfaces:
■ A TI-EVM/FPDP connector (J31, J33), located on the reverse side of
the board
■ An RS-232C Serial I/O interface (J29)
2–40
Core Version a.b.c variable
Stratix II EP2S180 DSP Development Board Reference Manual
Altera Corporation